Cosmology
What Happens When Supermassive Black Holes Merge?
Frame from a simulation of the merger of two black holes and the resulting emission of gravitational radiation (NASA/C. Henze)…
Why is the Sky Dark at Night?
The Minute Physics folks have created another great video, this time explaining why the sky is dark at night. Although…
Gaia Mission Passes Vital Tests
Caption: Fully integrated Gaia payload module with nearly all of the multilayer insulation fabric installed. Credit: Astrium SAS Earlier this…
Effects of Einstein’s Elusive Gravitational Waves Observed
Two white dwarfs similar to those in the system SDSS J065133.338+284423.37 spiral together in this illustration from NASA. Credit: D.…
A New Species of Type Ia Supernova?
Artist’s conception of a binary star system that produces recurrent novae, and ultimately, the supernova PTF 11kx. (Credit: Romano Corradi…
Physicists Closing in on Understanding the Primordial Universe
Photo of the ALICE detector at CERN. Photo courtesy of CERN. Slamming barely nothing together is bringing scientists ever-closer to…
Winds of Change at the Edge of the Solar System
As the venerable Voyager 1 spacecraft hurtles ever outward, breaking through the very borders of our solar system at staggering…
A Crinkle in the Wrinkle of Space-time
Albert Einstein's revolutionary general theory of relativity describes gravity as a curvature in the fabric of spacetime. Mathematicians at University…
Passing Through – A Beautiful Iceland Timelapse
This awesome video by Kristian Ulrich Larsen and Olafur Haraldsson melds the stark but beautiful landscape of Iceland, the words…
Hubble Spies Tiny, Ancient ‘Ghost Galaxies’
They're out there; tiny, extremely faint and incredibly ancient dwarf galaxies with so few stars that scientists call them 'ghost…